1024x768 SVGA Shell - won't work

1024x768 SVGA Shell - won't work

[Adam Luchjenbroers]

I recently downloaded and built kernel 2.4.18 and I am no longer able to
boot up with my shell running at 1024x768 (or I think thats what it was at,
parameter was vga=791). I included the SVGA console drivers and my
video-card drivers when I compiled it.

My old kernel was 2.4.8-26mdk (Mandrake 8.1) - does it have any patches
applied to it to allow this or am I doing something wrong.

The only other thing that seems weird is that it doesn't seem to be
rebuilding the kernel headers. Anybody know how to make it do this?

Any help that can be offered would be appreciated
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Re: 1024x768 SVGA Shell - won't work

[Adam Luchjenbroers]

OK, I've done some research (suddenly noticed there was a massive folder in 
my kernel source tree called 'Documentation' - wish I'd seen it sooner).

The mode I was using is one of the VESAfb modes (1024x768x24, apparently). 

These modes require the frame-buffer drivers to be compiled. The frame-buffer 
drivers are greyed out.

I can find nothing telling me what else I need to enable to be able to enable 
the frame-buffer drivers.

Does anybody know what options I must enable, or even better, have a 
dependancy map of the kernel?
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Re: 1024x768 SVGA Shell - won't work

[Ray Olszewski]

See below.

At 08:03 PM 6/5/02 +0930, Adam Luchjenbroers wrote:
>OK, I've done some research (suddenly noticed there was a massive folder in
>my kernel source tree called 'Documentation' - wish I'd seen it sooner).
>
>The mode I was using is one of the VESAfb modes (1024x768x24, apparently).
>
>These modes require the frame-buffer drivers to be compiled. The frame-buffer
>drivers are greyed out.

"greyed out"? Are you using "make xconfig", perhaps?

>I can find nothing telling me what else I need to enable to be able to enable
>the frame-buffer drivers.

In the "make menuconfig" version of kernel make, framebuffer support is 
labeled as experimental. This mean you need to enable support for 
experimental drivers (the first menu choice in "make menuconfig" ... not 
sure where it is in "make xconfig") to have it available.

>Does anybody know what options I must enable, or even better, have a
>dependancy map of the kernel?

Not sure what you have in mind by the second half of this. I too would like 
better documentation of interdependencies among config options, but I don't 
know where to find such a reference.


--
-----------------------------------------------"Never tell me the 
odds!"--------------
Ray Olszewski					     -- Han Solo
Palo Alto, California, USA				ray@comarre.com
-------------------------------------------------------------------------------------------

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Re: 1024x768 SVGA Shell - won't work

[Steven Smith]

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> I can find nothing telling me what else I need to enable to be able to enable
> the frame-buffer drivers.
The only thing I can see is CONFIG_EXPERIMENTAL, under
``Code maturity level options''.

> Does anybody know what options I must enable, or even better, have a 
> dependancy map of the kernel?
The dependency map used by the kernel itself is in arch/i386/config.in.
It isn't terribly easy to read, but it might be somewhat helpful.

Steven Smith,
sos22@cam.ac.uk.

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Re: 1024x768 SVGA Shell - won't work

[Adam Luchjenbroers]

Got it compiled, worked it out before you pair replied (kinda good timing,
I fix the problem THEN you give me some help)

Although now trying to use VESAFB modes reboots my machine, one minute it
is loading up, the next thing I see is BIOS.

Any known causes for this (I'm having a great time here aren't I)

But at least now I'm one step closer.

> The dependency map used by the kernel itself is in arch/i386/config.in.
> It isn't terribly easy to read, but it might be somewhat helpful.

I'll take a look at it and see if I can't make an easier to read map using 
kivio or gimp or something.
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Re: 1024x768 SVGA Shell - won't work

[Mike Deuce]

----- Original Message -----
From: "Steven Smith" <sos22@cam.ac.uk>
To: <linux-newbie@vger.kernel.org>
Sent: Wednesday, June 05, 2002 10:51 AM
Subject: Re: 1024x768 SVGA Shell - won't work

Not entirely sure what you mean by dependency map, but there is something to
look at:
http://www.thinkgeek.com/images/products/zoom/linux-poster.jpg



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Re: 1024x768 SVGA Shell - won't work

[Steven.Keuchel]

Hi,

I think you can't use VESAFB modes for configuring the driver for your
video-card. Take a look at "Documentation/fb/modedb.txt". This will help you
setting the video mode for your video-card properly.

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